Abstract
A model which permits the calculation of RMS-granularity from primary layer and coupler data was applied to single layer colour negative coatings containing a polydisperse tabular grain emulsion in combination with various couplers. Calculated and measured data were analyzed with respect to dye yield, dye extinction, the characteristic curve and the RMS-granularity-density curve. A comparison of theory and experiment shows that the non-random, i.e. more orderly, spatial distribution of the developed silver specks, and the smaller degree of size polydispersity of the silver grains compared with the original silver halide emuslion can significantly reduce RMS-granularity for mid- and upper scale exposures
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